A person in authority, especially in military context, who leads troops or has significant responsibility.

कमांडर (अधिकारी या नेता)

English Usage: The commander gave orders to advance at dawn.

Hindi Usage: कमांडर ने आदेश दिए कि सुबह के समय आगे बढ़ें।

A person or member of a group with lesser rank, typically in a military context or organization.